/Engine/Source/Editor/LevelEditor/Public/LevelEditor.h
Level editor module
class FLevelEditorModule : public [IModuleInterface](API\Runtime\Core\Modules\IModuleInterface), public [IHasMenuExtensibility](API\Editor\UnrealEd\Toolkits\IHasMenuExtensibility), public [IHasToolBarExtensibility](API\Editor\UnrealEd\Toolkits\IHasToolBarExtensibility)